505225166502 has 32 divisors (see below), whose sum is σ = 1155095424000. Its totient is φ = 144313167168.

The previous prime is 505225166489. The next prime is 505225166521. The reversal of 505225166502 is 205661522505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1370127 + ... + 1699322.

It is an arithmetic number, because the mean of its divisors is an integer number (36096732000).

Almost surely, 2^505225166502 is an apocalyptic number.

505225166502 is an abundant number, since it is smaller than the sum of its proper divisors (649870257498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505225166502 is a wasteful number, since it uses less digits than its factorization.

505225166502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3073380.

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 505225166502 in words is "five hundred five billion, two hundred twenty-five million, one hundred sixty-six thousand, five hundred two".